From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling Date: Tue, 24 Nov 2015 22:13:28 +0100 Message-ID: <1640963.TLMeDD9tfp@xps13> References: <1448219615-63746-1-git-send-email-zhihong.wang@intel.com> <1448219615-63746-3-git-send-email-zhihong.wang@intel.com> <20151122182800.397e0701@xeon-e3> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: Stephen Hemminger , Zhihong Wang Return-path: Received: from mail-wm0-f54.google.com (mail-wm0-f54.google.com [74.125.82.54]) by dpdk.org (Postfix) with ESMTP id 0AB5E567E for ; Tue, 24 Nov 2015 22:14:47 +0100 (CET) Received: by wmww144 with SMTP id w144so155870361wmw.1 for ; Tue, 24 Nov 2015 13:14:46 -0800 (PST) In-Reply-To: <20151122182800.397e0701@xeon-e3> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 2015-11-22 18:28, Stephen Hemminger: > On Sun, 22 Nov 2015 14:13:35 -0500 > Zhihong Wang wrote: > > > The kernel fills new allocated (huge) pages with zeros. > > DPDK just has to populate page tables to trigger the allocation. > > > > Signed-off-by: Zhihong Wang > > Nice, especially on slow machines or with large memory. > > Acked-by: Stephen Hemminger Yes very nice. I think it's too late to integrate this change which can have some unpredictable side effects. Do you agree to wait for 2.3?